Base64 Encoder/Decoder
Encode and decode Base64 strings instantly. Supports text and shows live preview.
Nothing leaves your browser. All processing happens locally.
Try:
💡 Base64 encoding increases size by ~33% but allows binary data in text formats like JSON, URLs, and emails.
How to Use
1
Enter plain text to encode or Base64 string to decode
2
Click Encode or Decode button
3
Copy the result with one click